Patients w/ a history of serious or fatal hypersensitivity reactions; diarrhea during or subsequent to therapy. Seizures. Pseudomembranous colitis due to Clostridium difficile.
Emergence & selection of strains w/ reduced susceptibility. Monitor patients carefully during therapy. Conduct appropriate measures if superinfection occurs. Avoid prolonged use. Not to be administered by inhalation. Severe renal impairment. Pregnancy & lactation. Childn <18 yr.